Fuel cost

Definition and stakes

Babcock & Wilcox Company,  Steam, Its Generation and Use

“ The highest calorific value for unit cost is not necessarily the indication of the best commercial results. The cost of fuel is governed by this calorific value only when such value is modified by local conditions of capacity, labor and commercial efficiency. One of the important factors entering into fuel cost is the consideration of the cost of ash handling and the maintenance of ash handling apparatus if such be installed. The value of a fuel, regardless of its calorific value, is to be based only on the results obtained in every-day plant operation. ”
Source: Gutenberg

Charles Marshall Lungren,  Popular Science Monthly (1881)

“ As the calorific effect of petroleum is almost double that of coal, the engine is nearly as efficient as a steam-engine of large size, and much more so than one of the same power, while, on account of the cheapness of petroleum, the expense for fuel is no greater. The oil used can be obtained in comparatively small quantities at from six to seven cents a gallon, and at the latter price the cost of a horse-power per hour would be a little less than one and a quarter; cent, an expense considerably below the best results obtained in any of the engines using gas. ”
Source: Wikisource

John B. Rathbun,  Practical Hand Book of Gas, Oil and Steam Engines

“ With crude oil as a fuel costing 4295 cents per barrel, or 2.3 cents per gallon, the plant is reported to develop the same amount of power per gallon of crude as is ordinarily developed by the standard internal combustion engine operating on distillates at 7 cents per gallon. Including the cost of fuel, labor, supplies, interest, depreciation and taxes, Mr. Grine states the cost per b.h.p. hour to be 0.76 cents for a plant of 100 h.p. rating.
(15) Operation of Producers. A good producer operator is simply a good fireman, he must know how to keep a uniform bed of coal and how to draw the fire.
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Source: Gutenberg

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